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ByEric MaI use curl to send requests to remote servers like following command. curl http://example.com/send –date-urlencode “data=hello” However, it is blocked by the network proxy squid in some networks with message like (some info anonymized with “…”): ERROR The requested URL could not be retrieved POST /… HTTP/1.1 Proxy-Authorization: Basic … User-Agent: Mozilla/4.0 (compatible;) Host: ……
How to change an attachment’s parent post in WordPress
ByQ AHow to change an attachment’s parent post in WordPress? The in WordPress posts depends on the child-parent relationship. It will be good to change the parent posts for attachments. The Change Media Parent WordPress plugin works great for me. After installing and activating it, a link to change the parent appears in the media control…
How to add a crontab entry from a shell script on Linux?
ByQ Acrontab -e will start an editor to edit the crontab entries. But how to add a crontab entry from a shell script on Linux without interaction from users? You can try this piece of script: (crontab -l; echo “@reboot echo “rebooted””;) | crontab – Note that the update by this line of script is not…
Generating RSA Private and Public Key Pair in Go Lang?
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How to encrypt a file using openssl on Linux non-interactively?
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Replacing tabs with spaces in Emacs
ByEric MaHow to replace tabs with spaces in Emacs? You can first select the regions of text for converting/replacing, then run M-x untabify to replace all tabs with appropriate number of spaces. There is also a M-x tabify for replacing sequences of spaces to tabs. There are also commands to convert tabs to spaces or vice…
